Loto Lake is a productive, nutrient-rich eutrophic lake in Camden County, Missouri. Water quality is graded C based on 3 sampling years through 2023. Public access is available with 1 public boat landing. Compared to the 41 other monitored lakes in Camden County, Loto Lake ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2023-06-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Moderate clarity, visible to about 7 ft. Phosphorus level: 22 µg/L. Chlorophyll-a: 15.3 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7 ft | C |
| Phosphorus | 22 µg/L | B |
| Chlorophyll-a (Algae) | 15.3 µg/L | C |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Loto Lake
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Fishing Loto Lake
Recreation & Access
Water Temperature
Loto Lake averages about 82°F at the surface in summer, usually warmest in Aug (about 84°F) and coldest in Apr (about 61°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 29 field readings (2013–2023) via the EPA Water Quality Portal.
Location
County Ranking
Ranked #11 of 42 lakes in Camden County
Nearby Lakes in Camden County
Explore Loto Lake across LakeGrade
Species activity outlook by water temperature and season
Top lakes and where to stay in the Lake of the Ozarks area
Where to stay at Missouri's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Missouri's cleanest and most-polluted lakes, ranked
More Missouri Lake Rankings
Other Grade C Lakes in Missouri
Eutrophic Lakes in Missouri
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Loto Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.
- Lodge Of The Four Seasons WwtpLake Ozark · 0.8 mi away · NPDES MO0082171Recent violation
- Blackhawk Estates WwtpLake Ozark · 0.8 mi away · NPDES MO0139254Recent violation
- Blackhawk EstatesLake Ozark · 0.8 mi away · NPDES MO0123226
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-06-14
Monitoring stations: 1